Nannotax3 - ntax_mesozoic - Lucianorhabdus phlaskus

Lucianorhabdus phlaskus


Classification: ntax_mesozoic -> Holococcoliths -> Common genera -> Lucianorhabdus -> Lucianorhabdus phlaskus
Sister taxa: L. cayeuxii, L. arcuatus, L. compactus, L. inflatus, L. maleformis, L. quadrifidus, L. salomonii ⟩⟨ L. boudagherfadeliae, L. tabernus, L. turris ⟩⟨ L. arborius, L. cubiterminalis, L. phlaskus, L. lageniformis, L. windii, L. sp.

Distinguishing features:
Parent taxon (Lucianorhabdus): Holococcoliths with a proximal plate of four blocks and tall, hollow spines, which are often ridged or pitted and may be bulbous or curved.
This taxon: Medium sized (5-6 µm) Lucianorhabdus with massive smooth process ending in bulb-like expansion


Taxonomy:

Citation: Lucianorhabdus phlaskus Wind & Cepek, 1979
Rank: Species

Farinacci & Howe catalog pages: L. phlaskus *

Distinguishing features:
Parent taxon (Lucianorhabdus): Holococcoliths with a proximal plate of four blocks and tall, hollow spines, which are often ridged or pitted and may be bulbous or curved.
This taxon: Medium sized (5-6 µm) Lucianorhabdus with massive smooth process ending in bulb-like expansion

Search data:
TagsLITHS: holococcolith, elliptical, cylindrical, hollow, CA: ca_disjunct, process, CROSS-POLARS: rim-unicyclic, R-prominent,
MetricsLith size: 5->6µm; Segments: 4->4;
Data source notes: original description & illustrated specimens
The morphological data given here can be used on the advanced search page. See also these notes

Geological Range:
Last occurrence (top): within Hauterivian Stage (130.77-133.88Ma, top in Hauterivian stage). Data source: [PRB estimate]
First occurrence (base): within Late Valanginian Substage (133.88-136.41Ma, base in Valanginian stage). Data source: Bown et al. 1998

Plot of occurrence data:

References:

Bown, P. R., Rutledge, D. C., Crux, J. A. & Gallagher, L. T. (1998). Early Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 86-131. gs

Wind, F. H. & Cepek, P. (1979). Lower Cretaceous calcareous nannoplankton from DSDP Hole 397A (northwest African Margin). Initial Reports of the Deep Sea Drilling Project. 47A: 221-235. gs V O


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Lucianorhabdus phlaskus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 21-9-2021

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Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=10620 Go to Archive.is to create a permanent copy of this page - citation notes



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